Compare Phones
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| Phone | Asus ZenFone AR | Microsoft Surface Duo 2 | Motorola Charm | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.7" diag. 16 : 9 |
8.3" diag. 4 : 3 |
2.8" diag. 4 : 3 |
? |
| Display Resolution & Type |
1440 x 2560 pixels (~515 ppi) AMOLED |
2688 x 1892 pixels (~396 ppi) AMOLED |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | 60 Hz | 90 Hz | 60 Hz | ? |
| Battery | 3,300 mAh | 4,449 mAh | 1,170 mAh | ? |
| Processor | 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) | Qualcomm Snapdragon 888 | 720 MHz TI OMAP3410 | ? |
| RAM | 6 GB * | 8 GB | ? | ? |
| Storage | 128 GB * | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 23 megapixel | 12 megapixel | 3 megapixel | - |
| Wide Camera | - | 16 megapixel | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | 4K UHD | 4K UHD | ? | - |
| Front Camera | 8 megapixel | 12 megapixel | - | - |
| Weight |
6 oz (170g) |
10.02 oz (284g) |
3.88 oz (110g) |
9.28 oz (263g) |
| Dimensions |
6.24" x 3.05" x 0.3" (158 x 77 x 7.6 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Unique | Slab | Slab |
| Platform / OS | Android | Android | Android | (proprietary) |
| Network Bands |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
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| Data Technology | LTE (Cat 11) | NR (5G) | HSDPA 3.6 | - |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | n/a | - |
| VR-ready | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes |
Yes Classic Audio |
- |
| NFC | Yes | Yes | - | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | - |
| Ringer ID | n/a | n/a | n/a | - |
| Voice Dialing | n/a | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | - |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| Dual-SIM | Yes | Yes | - | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | Yes | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | - |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | n/a | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | Yes | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | - |
| Calendar | n/a | n/a | n/a | - |
| Software | ||||
| Games | n/a | n/a | n/a | - |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| Asus ZenFone AR | Microsoft Surface Duo 2 | Motorola Charm | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus ZenFone AR | Microsoft Surface Duo 2 | Motorola Charm | Ericsson R278d |
